# Let D be the set of all calendar dates from 4/30/1789 to 9/25/2014., homework help

May 3rd, 2016
Sigchi4life
Category:
Other
Price: \$5 USD

Question description

Let  be the set of all calendar dates from 4/30/1789 to 9/25/2014.
Let  be the set of names of U.S. presidents.
Let  be the set of names of first ladies of the U.S.

Consider the following two functions  where  is the name of the president of the U.S. on date  (the incumbent on inauguration days, to avoid ambiguity) and  where  is the name of the first lady of the U.S. during the presidency of president .

1. Can the composition  be defined? What about ?

2. Which of the following functional inverses exist and which do not?

(Top Tutor) Daniel C.
(997)
School: UC Berkeley

Answer 1. No, the composition  cannot be defined because co-domain of the function is not same as the domain of the...

Studypool has helped 1,244,100 students

## Review from our student for this Answer

SoccerBoss
May 3rd, 2016
"Excellent!"

1825 tutors are online

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors